248 lines
8.1 KiB
Plaintext
248 lines
8.1 KiB
Plaintext
<!-- $PostgreSQL: pgsql/doc/src/sgml/external-projects.sgml,v 1.20.2.1 2010/08/17 04:37:16 petere Exp $ -->
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<appendix id="external-projects">
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<title>External Projects</title>
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<para>
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<productname>PostgreSQL</productname> is a complex software project,
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and managing the project is difficult. We have found that many
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enhancements to <productname>PostgreSQL</productname> can be more
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efficiently developed separately from the core project.
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</para>
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<para>
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To help our community with the development of their external projects, we
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have created <ulink url="http://www.pgfoundry.org/">PgFoundry</ulink>, a
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website that provides hosting for <productname>PostgreSQL</>-related
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projects that are maintained outside the core <productname>PostgreSQL</>
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distribution. PgFoundry is built using the GForge software project and is
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similar to <ulink url="http://sourceforge.net">SourceForge.net</> in its
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feature set, providing mailing lists, forums, bug tracking, SCM, and web
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hosting. If you have a <productname>PostgreSQL</>-related open source
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project that you would like to have hosted at PgFoundy, please feel free
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to create a new project.
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</para>
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<sect1 id="external-interfaces">
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<title>Client Interfaces</title>
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<indexterm>
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<primary>interfaces</primary>
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<secondary>externally maintained</secondary>
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</indexterm>
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<para>
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There are only two client interfaces included in the base
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<productname>PostgreSQL</productname> distribution:
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<itemizedlist>
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<listitem>
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<para>
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<link linkend="libpq">libpq</link> is included because it is the
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primary C language interface, and because many other client interfaces
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are built on top of it.
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</para>
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</listitem>
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<listitem>
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<para>
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<link linkend="ecpg">ECPG</link> is included because it depends on the
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server-side SQL grammar, and is therefore sensitive to changes in
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<productname>PostgreSQL</productname> itself.
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</para>
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</listitem>
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</itemizedlist>
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All other language interfaces are external projects and are distributed
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separately. <xref linkend="language-interface-table"> includes a list of
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some of these projects. Note that some of these packages might not be
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released under the same license as <productname>PostgreSQL</>. For more
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information on each language interface, including licensing terms, refer to
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its website and documentation.
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</para>
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<table id="language-interface-table">
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<title>Externally Maintained Client Interfaces</>
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<tgroup cols="4">
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<thead>
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<row>
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<entry>Name</entry>
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<entry>Language</entry>
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<entry>Comments</entry>
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<entry>Website</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>DBD::Pg</entry>
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<entry>Perl</entry>
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<entry>Perl DBI driver</entry>
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<entry><ulink url="http://search.cpan.org/dist/DBD-Pg/">http://search.cpan.org/dist/DBD-Pg/</ulink></entry>
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</row>
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<row>
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<entry>JDBC</entry>
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<entry>JDBC</entry>
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<entry>Type 4 JDBC driver</entry>
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<entry><ulink url="http://jdbc.postgresql.org/">http://jdbc.postgresql.org/</ulink></entry>
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</row>
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<row>
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<entry>libpqxx</entry>
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<entry>C++</entry>
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<entry>New-style C++ interface</entry>
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<entry><ulink url="http://pqxx.org/">http://pqxx.org/</ulink></entry>
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</row>
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<row>
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<entry>Npgsql</entry>
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<entry>.NET</entry>
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<entry>.NET data provider</entry>
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<entry><ulink url="http://www.npgsql.org/">http://www.npgsql.org/</ulink></entry>
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</row>
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<row>
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<entry>pgtclng</entry>
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<entry>Tcl</entry>
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<entry></entry>
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<entry><ulink url="http://sourceforge.net/projects/pgtclng/">http://sourceforge.net/projects/pgtclng/</ulink></entry>
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</row>
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<row>
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<entry>psqlODBC</entry>
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<entry>ODBC</entry>
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<entry>ODBC driver</entry>
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<entry><ulink url="https://odbc.postgresql.org/">https://odbc.postgresql.org/</ulink></entry>
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</row>
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<row>
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<entry>psycopg</entry>
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<entry>Python</entry>
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<entry>DB API 2.0-compliant</entry>
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<entry><ulink url="http://initd.org/psycopg/"></ulink></entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</sect1>
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<sect1 id="external-pl">
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<title>Procedural Languages</title>
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<indexterm>
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<primary>procedural language</primary>
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<secondary>externally maintained</secondary>
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</indexterm>
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<para>
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<productname>PostgreSQL</productname> includes several procedural
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languages with the base distribution: <link
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linkend="plpgsql">PL/PgSQL</link>, <link linkend="pltcl">PL/Tcl</link>,
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<link linkend="plperl">PL/Perl</link>, and <link
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linkend="plpython">PL/Python</link>.
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</para>
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<para>
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In addition, there are a number of procedural languages that are developed
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and maintained outside the core <productname>PostgreSQL</productname>
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distribution. <xref linkend="pl-language-table"> lists some of these
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packages. Note that some of these projects might not be released under the same
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license as <productname>PostgreSQL</>. For more information on each
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procedural language, including licensing information, refer to its website
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and documentation.
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</para>
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<table id="pl-language-table">
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<title>Externally Maintained Procedural Languages</title>
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<tgroup cols="3">
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<thead>
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<row>
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<entry>Name</entry>
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<entry>Language</entry>
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<entry>Website</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>PL/Java</entry>
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<entry>Java</entry>
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<entry><ulink url="https://github.com/tada/pljava">https://github.com/tada/pljava</ulink></entry>
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</row>
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<row>
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<entry>PL/PHP</entry>
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<entry>PHP</entry>
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<entry><ulink url="http://www.commandprompt.com/community/plphp/">http://www.commandprompt.com/community/plphp/</ulink></entry>
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</row>
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<row>
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<entry>PL/Py</entry>
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<entry>Python</entry>
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<entry><ulink url="http://python.projects.postgresql.org/">http://python.projects.postgresql.org/</ulink></entry>
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</row>
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<row>
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<entry>PL/R</entry>
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<entry>R</entry>
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<entry><ulink url="http://www.joeconway.com/plr/">http://www.joeconway.com/plr/</ulink></entry>
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</row>
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<row>
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<entry>PL/Ruby</entry>
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<entry>Ruby</entry>
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<entry><ulink url="http://raa.ruby-lang.org/project/pl-ruby/">http://raa.ruby-lang.org/project/pl-ruby/</ulink></entry>
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</row>
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<row>
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<entry>PL/Scheme</entry>
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<entry>Scheme</entry>
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<entry><ulink url="http://plscheme.projects.postgresql.org/">http://plscheme.projects.postgresql.org/</ulink></entry>
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</row>
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<row>
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<entry>PL/sh</entry>
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<entry>Unix shell</entry>
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<entry><ulink url="https://github.com/petere/plsh">https://github.com/petere/plsh</ulink></entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</sect1>
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<sect1 id="external-extensions">
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<title>Extensions</title>
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<indexterm>
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<primary>extensions</primary>
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</indexterm>
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<para>
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<productname>PostgreSQL</> is designed to be easily extensible. For
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this reason, extensions loaded into the database can function just
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like features that are packaged with the database. The
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<filename>contrib/</> directory shipped with the source code
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contains a large number of extensions. The <filename>README</> file
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in that directory contains a summary. They include conversion
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tools, full-text indexing, <acronym>XML</> tools, and additional
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data types and indexing methods. Other extensions are developed
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independently, like <application><ulink
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url="http://www.postgis.org/">PostGIS</ulink></>. Even
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<productname>PostgreSQL</> replication solutions are developed
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externally. For example, <application> <ulink
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url="http://www.slony.info">Slony-I</ulink></> is a popular
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master/standby replication solution that is developed independently
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from the core project.
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</para>
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<para>
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There are several administration tools available for
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<productname>PostgreSQL</>. The most popular is
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<application><ulink url="http://www.pgadmin.org/">pgAdmin III</ulink></>,
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and there are several commercially available ones as well.
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</para>
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</sect1>
|
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</appendix>
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